Also raise TestSkipped (intead of appearing to fail) if the import lock is held.
test.
- Set the host to "localhost" instead of "". - Skip the AF_UNIX tests when socket.AF_UNIX is not defined.
fixed. Regrettably, this must be run manually -- somehow the I/O redirection of the regression test breaks the test. When run under the regression test, this raises ImportError with a warning to that effect. Bugfix candidate!